Quote:
Originally Posted by whswhs
Conceivably you might split hydrogen cyanide into hydrogen and cyanogen. Cyanogen has quite a low boiling point.
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Where are you getting significant amounts of hydrogen cyanide from? It has positive enthalpy of formation. I mean, CH4 + NH3 -> HCN + 3H2 might be a useful reaction, or CO2 + NH3 -> HCN + H2O + O, but you'd be keeping the HCN.